2 * Copyright (c) 2005 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $DragonFly: src/lib/libsys/genhooks/genhooks.c,v 1.2 2005/12/05 16:48:22 dillon Exp $
37 * GENHOOKS [-u] [-l] [-s listfile] [-o outfile] infile(s)
39 * Generate assembly hooks for the actual system calls. This program
40 * will either generate hooks for user programs, or it will generate
41 * the assembly for the actual syscall layer file.
46 static void usage(const char *argv0
);
49 main(int ac
, char **av
)
51 enum { OUTPUT_NONE
, OUTPUT_USER
,
52 OUTPUT_LIB
, OUTPUT_STANDALONE
} output_type
= OUTPUT_NONE
;
53 const char *argv0
= av
[0];
54 const char *list_prefix
= NULL
;
59 while ((ch
= getopt(ac
, av
, "uls:o:")) != -1) {
62 output_type
= OUTPUT_USER
;
65 output_type
= OUTPUT_STANDALONE
;
69 output_type
= OUTPUT_LIB
;
72 fo
= fopen(optarg
, "w");
74 err(1, "Unable to create %s", optarg
);
85 if (output_type
== OUTPUT_NONE
) {
86 errx(1, "No output format specified");
90 errx(1, "No input files specified");
93 for (i
= 0; i
< ac
; ++i
) {
106 case OUTPUT_STANDALONE
:
107 output_standalone(fo
, list_prefix
);
118 usage(const char *argv0
)
120 fprintf(stderr
, "%s [-u] [-l] [-s outprefix] [-o outfile] infiles...\n",